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A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?Choices:- 26.34 litres 27.36 litres 28 litres 29.16 litres

Question

A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?Choices:- 26.34 litres 27.36 litres 28 litres 29.16 litres

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Solution

Sure, let's solve this step by step:

Step 1: The container initially contains 40 litres of milk.

Step 2: 4 litres of milk is taken out and replaced by water. So, the amount of milk left in the container is 40 - 4 = 36 litres.

Step 3: Now, the total volume of the mixture (milk + water) is still 40 litres, but only 90% (36/40) of it is milk.

Step 4: This process is repeated two more times. Each time, the amount of milk is reduced to 90% of the previous amount.

So, after the process is repeated three times in total, the amount of milk left in the container is:

40 * 0.9 * 0.9 * 0.9 = 29.16 litres

So, the correct answer is 29.16 litres.

This problem has been solved

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